Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1z9mA 1z9mB 3m45A 3m45D 1z9mA 100 99 72 71 1z9mB 99 100 71 70 3m45A 72 71 100 98 3m45D 71 70 98 100 FOLD SIMILARITY (Z-SCORE) 1z9mA 1z9mB 3m45A 3m45D 1z9mA 24.2 22.3 20.5 19.8 1z9mB 22.3 24.3 20.3 19.7 3m45A 20.5 20.3 24 21.7 3m45D 19.8 19.7 21.7 23.6